Fig. 2 - Portion of resistance obtainable from cylinder 



force measurements by Ward's X-Y method: ship with 



parabolic waterlines, draft/length = 1/ZO, 7o - ^•^» ^""^ 



F^^^= 10. The curve with the percentages labeled is 

 n J. o 



that of the wave resistance from the various cuts i - rj 

 truncated at X = 10. 



666 



